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PRELIMINARY
CY14B108K, CY14B108M
Document #: 001-47378 Rev. ** Page 11 of 29
Table 4. RTC Register Map
[7]
Register BCD Format Data
[8]
Function/Range
CY14B108K CY14B108M D7 D6 D5 D4 D3 D2 D1 D0
0xFFFFF 0x7FFFF 10s Years Years Years: 00–99
0xFFFFE 0x7FFFE 0 0 0 10s
Months
Months Months: 01–12
0xFFFFD 0x7FFFD 0 0 10s Day of Month Day Of Month Day of Month: 01–31
0xFFFFC 0x7FFFC 0 0 0 0 0 Day of week Day of week: 01–07
0xFFFFB 0x7FFFB 0 0 10s Hours Hours Hours: 00–23
0xFFFFA 0x7FFFA 0 10s Minutes Minutes Minutes: 00–59
0xFFFF9 0x7FFF9 0 10s Seconds Seconds Seconds: 00–59
0xFFFF8 0x7FFF8 OSCEN
(0)
0Cal Sign
(0)
Calibration (00000) Calibration Values
[9]
0xFFFF7 0x7FFF7 WDS
(0)
WDW (0) WDT (000000) Watchdog
[9]
0xFFFF6 0x7FFF6 WIE (0) AIE (0) PFE (0) 0 H/L
(1)
P/L (0) 0 0 Interrupts
[9]
0xFFFF5 0x7FFF5 M (1) 0 10s Alarm Date Alarm Day Alarm, Day of Month:
01–31
0xFFFF4 0x7FFF4 M (1) 0 10s Alarm Hours Alarm Hours Alarm, Hours: 00–23
0xFFFF3 0x7FFF3 M (1) 10 Alarm Minutes Alarm Minutes Alarm, Minutes:
00–59
0xFFFF2 0x7FFF2 M (1) 10 Alarm Seconds Alarm, Seconds Alarm, Seconds:
00–59
0xFFFF1 0x7FFF1 10s Centuries Centuries Centuries: 00–99
0xFFFF0 0x7FFF0 WDF AF PF OSCF 0 CAL (0) W (0) R (0) Flags
[9]
Notes
7. Upper Byte D
15
-D
8
(CY14B108M) of RTC registers are reserved for future use
8. ( ) designates values shipped from the factory.
9. This is a binary value, not a BCD value.
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